/* Wspólne style podstron poradnikowych stokar.app (ten sam system co landing). */
:root{--asphalt:#0B1220;--paper:#F5F2EC;--paper-2:#ECE7DD;--white:#fff;--ink:#14161B;--ink-2:#3B4250;--muted:#6B7280;--line:#DAD4C8;--accent:#E58C1B;--accent-ink:#B5690B;--steel:#3C6E9E;--steel-soft:#DCE8F3;--ok:#1F8A5B;--bad:#C2410C;--display:"Barlow Condensed","Arial Narrow",sans-serif;--body:"IBM Plex Sans",system-ui,sans-serif;--r:4px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--steel)}img{max-width:100%;height:auto;display:block}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.05;margin:0}
h1{font-size:clamp(2.2rem,5vw,3.6rem)}h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-top:2.2em;margin-bottom:.4em}h3{font-size:1.35rem;margin-top:1.4em;margin-bottom:.3em}
p{margin:0 0 1em}ul,ol{padding-left:1.3em;margin:0 0 1em}li{margin:.25em 0}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
.nav{position:sticky;top:0;z-index:30;background:rgba(11,18,32,.92);backdrop-filter:blur(10px);color:#fff;border-bottom:1px solid #24304A}
.nav .wrap{max-width:1180px;display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-family:var(--display);font-weight:700;font-size:1.6rem;text-decoration:none;color:#fff}.logo em{font-style:normal;color:var(--accent)}
.btn{display:inline-flex;align-items:center;height:44px;padding:0 18px;border-radius:var(--r);font-weight:600;text-decoration:none;background:var(--accent);color:#1a1200;white-space:nowrap}
.btn:hover{background:#f19a2a}
.hero{background:var(--asphalt);color:#fff;padding:56px 0 44px}
.hero .eyebrow{color:var(--accent)}.hero p{color:#C7CFDC;font-size:1.1rem;max-width:62ch}
.eyebrow{font-family:var(--display);text-transform:uppercase;letter-spacing:.12em;font-size:.85rem;font-weight:600;color:var(--accent-ink);margin-bottom:10px}
.crumbs{font-size:.85rem;color:#9AA6B8;margin-bottom:14px}.crumbs a{color:#C7CFDC;text-decoration:none}
article{padding:36px 0 60px;font-size:1.05rem}
.box{background:var(--white);border:1px solid var(--line);padding:18px 20px;margin:1.4em 0}
.box.warn{border-left:4px solid var(--bad)}.box.tip{border-left:4px solid var(--ok)}
.box p:last-child{margin-bottom:0}
table{width:100%;border-collapse:collapse;margin:1em 0;font-size:.98rem;background:var(--white);border:1px solid var(--line)}
th,td{padding:8px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{font-family:var(--display);font-weight:600;text-transform:uppercase;letter-spacing:.06em;font-size:.8rem;background:var(--paper-2)}
.tnum{font-variant-numeric:tabular-nums}
.cta{background:var(--asphalt);color:#fff;padding:26px 24px;margin:2.4em 0 0;border-radius:var(--r)}
.cta h2{margin-top:0;color:#fff}.cta p{color:#C7CFDC}.cta .btn{margin-top:6px}
.calc{background:var(--white);border:2px solid var(--accent);padding:20px;margin:1.4em 0}
.calc label{display:flex;flex-direction:column;gap:4px;font-size:.9rem;color:var(--ink-2)}
.calc input,.calc select{height:44px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r);font:inherit;font-size:1.1rem;background:#fff}
.calc .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.calc .out{margin-top:16px;border-top:1px dashed var(--line);padding-top:14px;display:grid;grid-template-columns:repeat(2,1fr);gap:8px 20px}
.calc .out div{display:flex;justify-content:space-between;gap:12px}.calc .out b{font-family:var(--display);font-size:1.4rem}
.calc .big{grid-column:1/-1;display:flex;justify-content:space-between;align-items:baseline;border-top:1px solid var(--line);padding-top:10px}
.calc .big b{font-size:2.4rem}.bad{color:var(--bad)}.ok{color:var(--ok)}
@media (max-width:640px){.calc .grid,.calc .out{grid-template-columns:1fr}}
details{border-top:1px solid var(--line);padding:12px 0}details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-family:var(--display);font-size:1.25rem;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}summary::after{content:"+";color:var(--accent)}details[open] summary::after{content:"–"}
.related{background:var(--paper-2);padding:28px 0}.related .wrap{max-width:1180px}.related ul{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px}
.related a{display:block;background:#fff;border:1px solid var(--line);padding:12px 14px;text-decoration:none;color:var(--ink);font-weight:500}.related a:hover{border-color:var(--ink)}
footer{background:#070B14;color:#9AA6B8;font-size:.88rem;padding:30px 0}footer .wrap{max-width:1180px;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between}
footer nav{display:flex;flex-wrap:wrap;gap:6px 18px}footer a,footer button{color:#C7CFDC;text-decoration:none;background:none;border:0;padding:0;font:inherit;cursor:pointer}
.upd{font-size:.85rem;color:var(--muted)}